The ZD is a power close, and spring open damper. It has a 24-volt, spring-return, power-closed damper motor used to control circulating air in heating, cooling and ventilating systems. It is used when a normally-open damper is required. The ZD is typically used with the TotalZone® Systems and other electronic mini-zone damper systems.

Features

Reliable spring-return motor.

Fail-safe, normally-open operation.

Strong 24-volt spring-return motor

Quiet operation with fewer blades.

Simple, easy-to-wire, two-wire operation

Parallel blade design for low leakage performance.

Easy slip-in design.

Solid construction using extruded aluminum frame and blades.

Can be mounted on the side or bottom of the duct, as the application requires.

Mechanical visual position indicator for damper status.

Ordering Instructions: Order ZD (dimension 1) X (dimension 2). (Motor is always mounted on dimension 2 side.) For example, ZD10X8 is a 10" x 8" damper with the motor on the 8" side; but a ZD8X10 is a 8" x 10" damper that has the motor on the 10" side.

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